Health Socks Tsubox 22-25 cm Osaka Leg Knit Wholesalers Cooperative Polyester, Polyurethane, Others The bumps on the soles stimulate your feet. I received these as a gift, but I haven't had a chance to use them, so I'd like to give them to someone who wants them. Anonymous shipping Price negotiable (Please use the "comment" section to discuss price, not the "price reduction request" button) Feel free to ask any questions in the comments.